<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.4">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="160" y2="0" width="0" layer="20"/>
<wire x1="160" y1="0" x2="160" y2="66.472" width="0" layer="20"/>
<wire x1="160" y1="66.472" x2="0" y2="66.472" width="0" layer="20"/>
<wire x1="0" y1="66.472" x2="0" y2="0" width="0" layer="20"/>
<text>ENIcommunications Corp</text>
<text>OTRSP SO2Rduino V2</text>
<text>http://gobozgizmos.com/so2rduino</text>
<text>NI2O 04/2011</text>
</plain>
<libraries>
<library name="SparkFun">
<packages>
<package name="DB9">
<description>&lt;b&gt;SUB-D&lt;/b&gt;</description>
</package>
<package name="USB-B-PTH">
<description>&lt;b&gt;USB Series B Hole Mounted&lt;/b&gt;</description>
</package>
<package name="TQFP32-08">
<description>&lt;B&gt;Thin Plasic Quad Flat Package&lt;/B&gt; Grid 0.8 mm</description>
</package>
<package name="STAND-OFF">
<description>&lt;b&gt;Stand Off&lt;/b&gt;&lt;p&gt;
This is the mechanical footprint for a #4 phillips button head screw. Use the keepout ring to avoid running the screw head into surrounding components. SKU : PRT-00447</description>
</package>
</packages>
</library>
<library name="resistor">
<packages>
<package name="0204/7">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0204, grid 7.5 mm</description>
</package>
<package name="C025-025X050">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.5 mm, outline 2.5 x 5 mm</description>
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="C025-025X050">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.5 mm, outline 2.5 x 5 mm</description>
</package>
<package name="E2-5">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.032 mm, diameter 5 mm</description>
</package>
</packages>
</library>
<library name="con-hirschmann">
<packages>
<package name="TOBU3">
<description>Female Cinch &lt;B&gt;CONNECTOR&lt;/B&gt; ( RCA Jack )</description>
</package>
<package name="MAB8SH">
<description>Female &lt;b&gt;CONNECTOR&lt;/b&gt;&lt;p&gt;
8 pins with shield, horizontal (DIN 41524)</description>
</package>
<package name="PG203J">
<description>&lt;b&gt;MIC/HEADPHONE JACK&lt;/b&gt;&lt;p&gt;
KS-S stereo microphone/headphone jack&lt;p&gt;
 PG203JN (Schukat)</description>
</package>
</packages>
</library>
<library name="74xx-eu">
<packages>
<package name="DIL16">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="led">
<packages>
<package name="LED5MM">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
5 mm, round</description>
</package>
</packages>
</library>
<library name="transistor">
<packages>
<package name="TO92">
<description>&lt;b&gt;TO 92&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="relay">
<packages>
<package name="G6K-2P">
<description>&lt;b&gt;Low Signal Relay&lt;/b&gt;&lt;p&gt;
oeiwcsnts1.omron.com/.. D20G6K0100.pdf</description>
</package>
</packages>
</library>
<library name="diode">
<packages>
<package name="DO35-10">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 2 mm, horizontal, grid 10.16 mm</description>
</package>
</packages>
</library>
<library name="pot">
<packages>
<package name="CA6V">
<description>&lt;b&gt;POTENTIOMETER&lt;/b&gt;&lt;p&gt;
distributor Schukat</description>
</package>
</packages>
</library>
<library name="switch">
<packages>
<package name="TL3XPO">
<description>&lt;b&gt;TINY SWITCH&lt;/b&gt;&lt;p&gt;
Source: http://www2.produktinfo.conrad.com/datenblaetter/700000-724999/705152-da-01-de-Subminiaturschalter_TL_36YO.pdf</description>
</package>
</packages>
</library>
<library name="ftdichip-4">
<packages>
<package name="SSOP28DB">
<description>&lt;b&gt;Small Shrink Outline Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="avr-6">
<packages>
<package name="AVR-ISP-6">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;&lt;p&gt; JTAG 6 Pin, 0.1" Straight</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="R1" library="resistor" package="0204/7" value="4k7"/>
<element name="R2" library="resistor" package="0204/7" value="4k7"/>
<element name="C1" library="rcl" package="C025-025X050" value="0.1uF"/>
<element name="X1" library="con-hirschmann" package="TOBU3" value="CW_Key"/>
<element name="X2" library="SparkFun" package="DB9" value="AUX"/>
<element name="IC1" library="74xx-eu" package="DIL16" value="74HC594N"/>
<element name="R3" library="resistor" package="0204/7" value="220"/>
<element name="C2" library="rcl" package="C025-025X050" value="0.1uF"/>
<element name="R4" library="resistor" package="0204/7" value="220"/>
<element name="R5" library="resistor" package="0204/7" value="220"/>
<element name="R6" library="resistor" package="0204/7" value="220"/>
<element name="R7" library="resistor" package="0204/7" value="220"/>
<element name="R8" library="resistor" package="0204/7" value="220"/>
<element name="R9" library="resistor" package="0204/7" value="220"/>
<element name="R10" library="resistor" package="0204/7" value="220">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R11" library="resistor" package="0204/7" value="1k"/>
<element name="R12" library="resistor" package="0204/7" value="1k"/>
<element name="TX1" library="led" package="LED5MM" value="RED">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TX2" library="led" package="LED5MM" value="RED">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R13" library="resistor" package="0204/7" value="1k"/>
<element name="R14" library="resistor" package="0204/7" value="1k"/>
<element name="RX1" library="led" package="LED5MM" value="GREEN">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="RX2" library="led" package="LED5MM" value="GREEN">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R15" library="resistor" package="0204/7" value="4k7"/>
<element name="R16" library="resistor" package="0204/7" value="4k7"/>
<element name="C3" library="rcl" package="C025-025X050" value="0.1uF"/>
<element name="X3" library="con-hirschmann" package="TOBU3" value="CW_Key"/>
<element name="R17" library="resistor" package="0204/7" value="4k7"/>
<element name="R18" library="resistor" package="0204/7" value="4k7"/>
<element name="R19" library="resistor" package="0204/7" value="4k7"/>
<element name="R20" library="resistor" package="0204/7" value="4k7"/>
<element name="T1" library="transistor" package="TO92" value="2N3904"/>
<element name="T2" library="transistor" package="TO92" value="2N3904"/>
<element name="T3" library="transistor" package="TO92" value="2N3904"/>
<element name="T4" library="transistor" package="TO92" value="2N3904"/>
<element name="RIG1" library="con-hirschmann" package="MAB8SH" value="MAB8SH"/>
<element name="RIG2" library="con-hirschmann" package="MAB8SH" value="MAB8SH"/>
<element name="X4" library="con-hirschmann" package="PG203J" value="PG203J"/>
<element name="K1" library="relay" package="G6K-2P" value="G6K-2P">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="K2" library="relay" package="G6K-2P" value="G6K-2P">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="K3" library="relay" package="G6K-2P" value="G6K-2P">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R21" library="resistor" package="0204/7" value="4k7"/>
<element name="R22" library="resistor" package="0204/7" value="4k7"/>
<element name="R23" library="resistor" package="0204/7" value="4k7"/>
<element name="T5" library="transistor" package="TO92" value="2N3904"/>
<element name="T6" library="transistor" package="TO92" value="2N3904"/>
<element name="T7" library="transistor" package="TO92" value="2N3904"/>
<element name="D1" library="diode" package="DO35-10" value="1N4148"/>
<element name="D2" library="diode" package="DO35-10" value="1N4148"/>
<element name="D3" library="diode" package="DO35-10" value="1N4148"/>
<element name="C4" library="rcl" package="C025-025X050" value="0.1uF"/>
<element name="C5" library="rcl" package="C025-025X050" value="0.1uF"/>
<element name="C6" library="rcl" package="C025-025X050" value="0.1uF"/>
<element name="C7" library="rcl" package="C025-025X050" value="0.1uF"/>
<element name="R24" library="pot" package="CA6V" value="10k"/>
<element name="S1" library="switch" package="TL3XPO" value="TL39PO"/>
<element name="S2" library="switch" package="TL3XPO" value="TL39PO"/>
<element name="S3" library="switch" package="TL3XPO" value="TL36PO"/>
<element name="R25" library="resistor" package="0204/7" value="220"/>
<element name="U1" library="ftdichip-4" package="SSOP28DB" value="FT232RL"/>
<element name="X6" library="SparkFun" package="USB-B-PTH" value="USBPTH"/>
<element name="C8" library="resistor" package="C025-025X050" value="0.1uF"/>
<element name="R26" library="resistor" package="0204/7" value="330"/>
<element name="R27" library="resistor" package="0204/7" value="330"/>
<element name="RX" library="led" package="LED5MM" value="RED">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TX" library="led" package="LED5MM" value="GREEN">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C10" library="resistor" package="C025-025X050" value="0.1uF"/>
<element name="C11" library="rcl" package="E2-5" value="4.7uF"/>
<element name="C12" library="rcl" package="E2-5" value="4.7uf"/>
<element name="ICSP" library="avr-6" package="AVR-ISP-6" value="AVR-ISP-6">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U2" library="SparkFun" package="TQFP32-08" value="ATMEGA168">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R28" library="resistor" package="0204/7" value="1k"/>
<element name="C9" library="resistor" package="C025-025X050" value="0.1uF"/>
<element name="C13" library="resistor" package="C025-025X050" value="0.1uF"/>
<element name="R29" library="resistor" package="0204/7" value="1k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R30" library="resistor" package="0204/7" value="1k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="X5" library="con-hirschmann" package="PG203J" value="PG203J"/>
<element name="U$1" library="SparkFun" package="STAND-OFF" value=""/>
<element name="U$2" library="SparkFun" package="STAND-OFF" value=""/>
<element name="U$3" library="SparkFun" package="STAND-OFF" value=""/>
<element name="U$4" library="SparkFun" package="STAND-OFF" value=""/>
<element name="U$5" library="SparkFun" package="STAND-OFF" value=""/>
</elements>
<signals>
<signal name="GND">
<contactref element="X1" pad="2@2"/>
<contactref element="C1" pad="2"/>
<contactref element="IC1" pad="8"/>
<contactref element="X2" pad="9"/>
<contactref element="C2" pad="2"/>
<contactref element="TX1" pad="K"/>
<contactref element="TX2" pad="K"/>
<contactref element="RX2" pad="K"/>
<contactref element="RX1" pad="K"/>
<contactref element="X3" pad="2@2"/>
<contactref element="C3" pad="2"/>
<contactref element="T2" pad="3"/>
<contactref element="T1" pad="3"/>
<contactref element="T4" pad="3"/>
<contactref element="T3" pad="3"/>
<contactref element="RIG1" pad="1"/>
<contactref element="RIG1" pad="PE"/>
<contactref element="RIG1" pad="PE@"/>
<contactref element="RIG2" pad="1"/>
<contactref element="RIG2" pad="PE"/>
<contactref element="RIG2" pad="PE@"/>
<contactref element="RIG2" pad="5"/>
<contactref element="RIG1" pad="5"/>
<contactref element="X4" pad="1"/>
<contactref element="C7" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="T5" pad="3"/>
<contactref element="T6" pad="3"/>
<contactref element="T7" pad="3"/>
<contactref element="S1" pad="2"/>
<contactref element="S2" pad="2"/>
<contactref element="X6" pad="GND"/>
<contactref element="U1" pad="25"/>
<contactref element="U1" pad="7"/>
<contactref element="U1" pad="18"/>
<contactref element="U1" pad="21"/>
<contactref element="C8" pad="2"/>
<contactref element="C10" pad="2"/>
<contactref element="C11" pad="-"/>
<contactref element="ICSP" pad="6"/>
<contactref element="U2" pad="5"/>
<contactref element="U2" pad="3"/>
<contactref element="U2" pad="21"/>
<contactref element="C12" pad="-"/>
<contactref element="C13" pad="2"/>
<contactref element="C9" pad="2"/>
</signal>
<signal name="D12">
<contactref element="R15" pad="2"/>
<contactref element="ICSP" pad="1"/>
</signal>
<signal name="D11">
<contactref element="IC1" pad="14"/>
<contactref element="R22" pad="2"/>
<contactref element="ICSP" pad="4"/>
<contactref element="U2" pad="15"/>
</signal>
<signal name="D10">
<contactref element="IC1" pad="12"/>
<contactref element="U2" pad="14"/>
</signal>
<signal name="D9">
<contactref element="R12" pad="2"/>
<contactref element="R23" pad="2"/>
<contactref element="U2" pad="13"/>
</signal>
<signal name="D8">
<contactref element="R11" pad="2"/>
<contactref element="U2" pad="12"/>
</signal>
<signal name="D7">
<contactref element="R20" pad="2"/>
<contactref element="U2" pad="11"/>
</signal>
<signal name="D6">
<contactref element="R19" pad="2"/>
<contactref element="U2" pad="10"/>
</signal>
<signal name="D5">
<contactref element="R18" pad="2"/>
<contactref element="U2" pad="9"/>
</signal>
<signal name="D4">
<contactref element="R17" pad="2"/>
<contactref element="U2" pad="2"/>
</signal>
<signal name="D3">
<contactref element="R1" pad="2"/>
<contactref element="U2" pad="1"/>
</signal>
<signal name="+5V">
<contactref element="R2" pad="1"/>
<contactref element="IC1" pad="16"/>
<contactref element="IC1" pad="13"/>
<contactref element="IC1" pad="10"/>
<contactref element="C2" pad="1"/>
<contactref element="R16" pad="1"/>
<contactref element="D1" pad="C"/>
<contactref element="K1" pad="1"/>
<contactref element="D2" pad="C"/>
<contactref element="K2" pad="1"/>
<contactref element="D3" pad="C"/>
<contactref element="K3" pad="1"/>
<contactref element="X6" pad="VBUS"/>
<contactref element="U1" pad="20"/>
<contactref element="U1" pad="4"/>
<contactref element="TX" pad="A"/>
<contactref element="RX" pad="A"/>
<contactref element="C11" pad="+"/>
<contactref element="C10" pad="1"/>
<contactref element="ICSP" pad="2"/>
<contactref element="R28" pad="2"/>
<contactref element="U2" pad="6"/>
<contactref element="U2" pad="18"/>
<contactref element="U2" pad="4"/>
<contactref element="C12" pad="+"/>
<contactref element="C9" pad="1"/>
</signal>
<signal name="A0">
<contactref element="S1" pad="1"/>
<contactref element="U2" pad="23"/>
</signal>
<signal name="A1">
<contactref element="S1" pad="3"/>
<contactref element="U2" pad="24"/>
</signal>
<signal name="A2">
<contactref element="S2" pad="1"/>
<contactref element="U2" pad="25"/>
</signal>
<signal name="A3">
<contactref element="S2" pad="3"/>
<contactref element="U2" pad="26"/>
</signal>
<signal name="A4">
<contactref element="R13" pad="2"/>
<contactref element="U2" pad="27"/>
</signal>
<signal name="A5">
<contactref element="R14" pad="2"/>
<contactref element="U2" pad="28"/>
</signal>
<signal name="N$1">
<contactref element="X1" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="R2" pad="2"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="D13">
<contactref element="IC1" pad="11"/>
<contactref element="R21" pad="2"/>
<contactref element="ICSP" pad="3"/>
<contactref element="U2" pad="17"/>
<contactref element="U2" pad="16"/>
</signal>
<signal name="N$2">
<contactref element="IC1" pad="4"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="X2" pad="5"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="IC1" pad="3"/>
<contactref element="R7" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="X2" pad="4"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="IC1" pad="2"/>
<contactref element="R8" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="R8" pad="2"/>
<contactref element="X2" pad="3"/>
</signal>
<signal name="N$8">
<contactref element="IC1" pad="1"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="R5" pad="2"/>
<contactref element="X2" pad="2"/>
</signal>
<signal name="N$10">
<contactref element="IC1" pad="15"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="R6" pad="2"/>
<contactref element="X2" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="IC1" pad="5"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="N$13">
<contactref element="R4" pad="2"/>
<contactref element="X2" pad="6"/>
</signal>
<signal name="N$14">
<contactref element="IC1" pad="6"/>
<contactref element="R9" pad="1"/>
</signal>
<signal name="N$15">
<contactref element="IC1" pad="7"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="N$16">
<contactref element="R9" pad="2"/>
<contactref element="X2" pad="7"/>
</signal>
<signal name="N$17">
<contactref element="R10" pad="2"/>
<contactref element="X2" pad="8"/>
</signal>
<signal name="N$18">
<contactref element="R12" pad="1"/>
<contactref element="TX2" pad="A"/>
</signal>
<signal name="N$19">
<contactref element="R11" pad="1"/>
<contactref element="TX1" pad="A"/>
</signal>
<signal name="N$21">
<contactref element="RX1" pad="A"/>
<contactref element="R13" pad="1"/>
</signal>
<signal name="N$22">
<contactref element="RX2" pad="A"/>
<contactref element="R14" pad="1"/>
</signal>
<signal name="N$20">
<contactref element="X3" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="R16" pad="2"/>
<contactref element="R15" pad="1"/>
</signal>
<signal name="N$23">
<contactref element="T1" pad="2"/>
<contactref element="R17" pad="1"/>
</signal>
<signal name="N$24">
<contactref element="T2" pad="2"/>
<contactref element="R18" pad="1"/>
</signal>
<signal name="N$25">
<contactref element="T3" pad="2"/>
<contactref element="R19" pad="1"/>
</signal>
<signal name="N$26">
<contactref element="T4" pad="2"/>
<contactref element="R20" pad="1"/>
</signal>
<signal name="PTT-R1">
<contactref element="T1" pad="1"/>
<contactref element="RIG1" pad="4"/>
<contactref element="C6" pad="1"/>
</signal>
<signal name="PTT-R2">
<contactref element="T2" pad="1"/>
<contactref element="RIG2" pad="4"/>
<contactref element="C7" pad="1"/>
</signal>
<signal name="CW-R1">
<contactref element="T3" pad="1"/>
<contactref element="RIG1" pad="6"/>
<contactref element="C5" pad="1"/>
</signal>
<signal name="CW-R2">
<contactref element="T4" pad="1"/>
<contactref element="RIG2" pad="6"/>
<contactref element="C4" pad="1"/>
</signal>
<signal name="PHONES_LEFT_R1">
<contactref element="RIG1" pad="2"/>
<contactref element="K1" pad="2"/>
</signal>
<signal name="PHONES_RIGHT_R1">
<contactref element="RIG1" pad="3"/>
<contactref element="K1" pad="7"/>
</signal>
<signal name="MIC_GND_R1">
<contactref element="RIG1" pad="7"/>
<contactref element="K3" pad="7"/>
</signal>
<signal name="MIC-R1">
<contactref element="RIG1" pad="8"/>
<contactref element="K3" pad="2"/>
</signal>
<signal name="PHONES_RIGHT_R2">
<contactref element="RIG2" pad="3"/>
<contactref element="K1" pad="5"/>
</signal>
<signal name="MIC-R2">
<contactref element="RIG2" pad="8"/>
<contactref element="K3" pad="4"/>
</signal>
<signal name="MIC_GND_R2">
<contactref element="RIG2" pad="7"/>
<contactref element="K3" pad="5"/>
</signal>
<signal name="PHONES_LEFT_R2">
<contactref element="RIG2" pad="2"/>
<contactref element="K1" pad="4"/>
<contactref element="K2" pad="4"/>
</signal>
<signal name="MIC">
<contactref element="K3" pad="3"/>
<contactref element="X5" pad="5"/>
</signal>
<signal name="PHONES_LEFT">
<contactref element="X4" pad="5"/>
<contactref element="K1" pad="3"/>
<contactref element="R25" pad="1"/>
</signal>
<signal name="PHONES_RIGHT">
<contactref element="X4" pad="2"/>
<contactref element="K2" pad="3"/>
<contactref element="K2" pad="6"/>
</signal>
<signal name="N$32">
<contactref element="D1" pad="A"/>
<contactref element="K1" pad="8"/>
<contactref element="T5" pad="1"/>
</signal>
<signal name="N$33">
<contactref element="T5" pad="2"/>
<contactref element="R21" pad="1"/>
</signal>
<signal name="N$27">
<contactref element="D2" pad="A"/>
<contactref element="K2" pad="8"/>
<contactref element="T6" pad="1"/>
</signal>
<signal name="N$28">
<contactref element="D3" pad="A"/>
<contactref element="K3" pad="8"/>
<contactref element="T7" pad="1"/>
</signal>
<signal name="N$31">
<contactref element="T6" pad="2"/>
<contactref element="R22" pad="1"/>
</signal>
<signal name="N$34">
<contactref element="T7" pad="2"/>
<contactref element="R23" pad="1"/>
</signal>
<signal name="N$40">
<contactref element="K1" pad="6"/>
<contactref element="K2" pad="2"/>
</signal>
<signal name="N$29">
<contactref element="K2" pad="5"/>
<contactref element="S3" pad="1"/>
</signal>
<signal name="N$30">
<contactref element="S3" pad="2"/>
<contactref element="R24" pad="A"/>
</signal>
<signal name="N$37">
<contactref element="R24" pad="E"/>
<contactref element="R24" pad="S"/>
<contactref element="R25" pad="2"/>
</signal>
<signal name="MIC-GND">
<contactref element="K3" pad="6"/>
<contactref element="X5" pad="1"/>
</signal>
<signal name="USBDM">
<contactref element="X6" pad="D-"/>
<contactref element="U1" pad="16"/>
</signal>
<signal name="USBDP">
<contactref element="X6" pad="D+"/>
<contactref element="U1" pad="15"/>
</signal>
<signal name="N$43">
<contactref element="C8" pad="1"/>
<contactref element="U1" pad="17"/>
</signal>
<signal name="N$35">
<contactref element="U1" pad="23"/>
<contactref element="R26" pad="1"/>
</signal>
<signal name="N$36">
<contactref element="U1" pad="22"/>
<contactref element="R27" pad="1"/>
</signal>
<signal name="N$38">
<contactref element="R26" pad="2"/>
<contactref element="RX" pad="K"/>
</signal>
<signal name="N$39">
<contactref element="R27" pad="2"/>
<contactref element="TX" pad="K"/>
</signal>
<signal name="RX">
<contactref element="U1" pad="1"/>
<contactref element="R30" pad="1"/>
</signal>
<signal name="TX">
<contactref element="U1" pad="5"/>
<contactref element="R29" pad="1"/>
</signal>
<signal name="RESET">
<contactref element="ICSP" pad="5"/>
<contactref element="U2" pad="29"/>
<contactref element="R28" pad="1"/>
</signal>
<signal name="N$42">
<contactref element="C13" pad="1"/>
<contactref element="U2" pad="20"/>
</signal>
<signal name="D2">
<contactref element="U2" pad="32"/>
<contactref element="U1" pad="3"/>
</signal>
<signal name="D1">
<contactref element="U2" pad="31"/>
<contactref element="R29" pad="2"/>
</signal>
<signal name="A7">
<contactref element="U2" pad="22"/>
</signal>
<signal name="A6">
<contactref element="U2" pad="19"/>
</signal>
<signal name="D0">
<contactref element="R30" pad="2"/>
<contactref element="U2" pad="30"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
